听下面一段材料,回答1至3题。 1. Where does the name El Nino come from? A. A Japanese word. B. An Egyptian word. C. A Spanish word. 2. During which year the worst El Nino of the 20th century occurred? A. 1962 and 1963. B. 1972 and 1973. C. 1982 and 1983. 3. What problem did South America have because of the effect of El Nino? A.